<?php
/**
 * 硬碎片列表接口  GET /api/fragment/hard_list.php
 * 参数：page / limit / source_type / status / source_channel / keyword
 * 返回：{ list, total, page, limit }，每行含完整度 score、缺失层级、内容摘要
 */
require_once __DIR__ . '/../common/db.php';
require_once __DIR__ . '/../common/response.php';
require_once __DIR__ . '/../common/auth.php';
require_once __DIR__ . '/hard_common.php';

checkPermission('preliminary');

[$page, $limit] = pageParams();
$keyword       = trim($_REQUEST['keyword'] ?? '');
$status        = trim($_REQUEST['status'] ?? '');
$sourceType    = trim($_REQUEST['source_type'] ?? '');
$sourceChannel = trim($_REQUEST['source_channel'] ?? '');

$where  = ["is_active = 1", "status NOT IN ('已转换','已废弃')"];
$params = [];
if ($keyword !== '') {
    $where[] = '(company_name LIKE ? OR person_name LIKE ? OR contact_phone LIKE ? OR contact_email LIKE ? OR description LIKE ?)';
    $like = "%$keyword%";
    array_push($params, $like, $like, $like, $like, $like);
}
if ($status !== '') { $where[] = 'status = ?'; $params[] = $status; }
if ($sourceType !== '') { $where[] = 'source_type = ?'; $params[] = $sourceType; }
if ($sourceChannel !== '') { $where[] = 'source_channel = ?'; $params[] = $sourceChannel; }
$whereSql = implode(' AND ', $where);

$pdo = DB::getInstance()->getPdo();

$stmt = $pdo->prepare("SELECT COUNT(*) FROM preliminary_data WHERE $whereSql");
$stmt->execute($params);
$total = (int)$stmt->fetchColumn();

$offset = ($page - 1) * $limit;
$stmt = $pdo->prepare(
    "SELECT id, source_type, company_name, person_name, contact_phone, contact_email,
            status, source_channel, recorded_by,
            follow_person, converted_type, converted_id, created_at, updated_at
     FROM preliminary_data
     WHERE $whereSql
     ORDER BY id DESC
     LIMIT $limit OFFSET $offset"
);
$stmt->execute($params);
$rows = $stmt->fetchAll();

$list = [];
foreach ($rows as $r) {
    $calc = hardCompleteness($r);
    $r['completeness'] = $calc['score'];
    $r['missing'] = $calc['missing'];
    $r['summary'] = hardSummary($r);
    $r['source_type_label'] = ['company' => '企业', 'person' => '人员', 'product' => '产品', 'need' => '需求', 'mixed' => '混合'][$r['source_type']] ?? $r['source_type'];
    $list[] = $r;
}

Response::success(['list' => $list, 'total' => $total, 'page' => $page, 'limit' => $limit]);